Land vehicles – Wheeled – Extensible
Patent
1986-05-29
1989-03-21
Pekar, John A.
Land vehicles
Wheeled
Extensible
B62B 302
Patent
active
048137014
ABSTRACT:
Apparatus suitable for the carriage and transport of relatively large objects such as cartons or pieces of furniture and also for carrying loose items such as varied purchases in a large self-service store. This apparatus has a folded condition and a deployed condition and comprises base means presenting first and second end portions, at least one first wheel mounted to support said first end portion of said base means, at least two second wheels, wheel support members extending pivotably outwards from said base means to connect said second wheels to said second portion of said base means whereby said second wheels support said second portion of said base means and said deployed condition, at least two lateral upright members projecting upwards from said second end portion of said base means in said deployed condition and mounted pivotably to said second end portion, and coupling means for coupling said lateral upright members with said wheel support members respectively for pivoting in opposite directions at relative speeds such that when said upright members are pivoted through a first angle to a position juxtaposed with said first end portion of said base means in said folded condition, said wheel support means are pivoted through a second angle in the opposite direction to a position juxtaposed with said base means.
REFERENCES:
patent: 2470040 (1949-05-01), Mackin et al.
patent: 3118553 (1964-01-01), Rosenzweig
patent: 3854899 (1975-01-01), Bontrager
patent: 4506907 (1985-03-01), Miyagi
Camby Richard
Pekar John A.
Societe d'Equipement Menager Industriel et Commercial S.E.M.I.C.
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